427800366 has 80 divisors (see below), whose sum is σ = 1105901280. Its totient is φ = 121072320.

The previous prime is 427800353. The next prime is 427800379. The reversal of 427800366 is 663008724.

It is an interprime number because it is at equal distance from previous prime (427800353) and next prime (427800379).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 427800366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 121876 + ... + 125336.

It is an arithmetic number, because the mean of its divisors is an integer number (13823766).

Almost surely, 2^427800366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427800366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552950640).

427800366 is an abundant number, since it is smaller than the sum of its proper divisors (678100914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427800366 is a wasteful number, since it uses less digits than its factorization.

427800366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 427800366 is about 20683.3354660219. The cubic root of 427800366 is about 753.4950158532.

The spelling of 427800366 in words is "four hundred twenty-seven million, eight hundred thousand, three hundred sixty-six".